High order WENO and DG methods for time-dependent convection-dominated PDEs: A brief survey of several recent developments

CW Shu - Journal of Computational Physics, 2016 - Elsevier
For solving time-dependent convection-dominated partial differential equations (PDEs),
which arise frequently in computational physics, high order numerical methods, including …

Recent advances in understanding of thermal expansion effects in premixed turbulent flames

VA Sabelnikov, AN Lipatnikov - Annual Review of Fluid …, 2017 - annualreviews.org
When a premixed flame propagates in a turbulent flow, not only does turbulence affect the
burning rate (eg, by wrinkling the flame and increasing its surface area), but also the heat …

Propagation of premixed flames in the presence of Darrieus–Landau and thermal diffusive instabilities

F Creta, PE Lapenna, R Lamioni, N Fogla… - Combustion and …, 2020 - Elsevier
We study the propagation of premixed flames, in the absence of external turbulence, under
the effect of both hydrodynamic (Darrieus–Landau) and thermodiffusive instabilities. The …

Statistics of local and global flame speed and structure for highly turbulent H2/air premixed flames

W Song, FEH Perez, EA Tingas, HG Im - Combustion and Flame, 2021 - Elsevier
A statistical analysis is conducted for turbulent hydrogen-air premixed flames at a range of
Karlovitz numbers up to 1,126 by direct numerical simulations (DNS) with detailed chemistry …

Flame fingers and interactions of hydrodynamic and thermodiffusive instabilities in laminar lean hydrogen flames

L Berger, M Grinberg, B Jürgens, PE Lapenna… - Proceedings of the …, 2023 - Elsevier
Lean hydrogen/air flames are prone to hydrodynamic and thermodiffusive instabilities. In this
work, the contribution of each instability mechanism is quantified separately by performing …

The effect of pressure on the hydrodynamic stability limit of premixed flames

A Attili, R Lamioni, L Berger, K Kleinheinz… - Proceedings of the …, 2021 - Elsevier
The effect of pressure on the hydrodynamic stability limits of lean methane–air premixed
flames is investigated with Direct Numerical Simulation based on multi-step chemistry and …

On transition to self-similar acceleration of spherically expanding flames with cellular instabilities

X Cai, J Wang, Z Bian, H Zhao, H Dai, Z Huang - Combustion and Flame, 2020 - Elsevier
The evolution of the self-acceleration of spherically expanding flames subjected to cellular
instabilities was experimentally studied with H 2/O 2/N 2 mixtures over a wide range of …

Interplay of Darrieus-Landau instability and weak turbulence in premixed flame propagation

F Creta, R Lamioni, PE Lapenna, G Troiani - Physical Review E, 2016 - APS
In this study we investigate, both numerically and experimentally, the interplay between the
intrinsic Darrieus-Landau (DL) or hydrodynamic instability of a premixed flame and the …

Dynamics of slowly propagating flames: Role of the Rayleigh-Taylor instability

JK Tavares, J Jayachandran - Combustion and Flame, 2024 - Elsevier
Environmental concerns have motivated the development of alternate fuels and refrigerant
working fluids that have low global warming potential. Ammonia (NH 3) is a candidate zero …

The stability and morphology of laminar premixed hydrogen/air flames under various gravity conditions

J Zheng, H Wang, K Luo, J Fan - Combustion and Flame, 2024 - Elsevier
In the present work, direct numerical simulations (DNS) were employed to understand the
stability and morphology of laminar lean premixed hydrogen/air flames under various gravity …